If you are looking for information about the 5-digit ZIP Code , 15642 ZIP Code: Irwin, PA
Most students in this ZIP Code attend the Norwin School District . Demographics & Economy 156421 zip
: A full 9-digit code like 15642-1XXX , where the "1" is the start of the four-digit extension used for more precise mail sorting. If you are looking for information about the
Approximately 33,000 residents as of recent census estimates. 15642 ZIP Code: Irwin
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